Ultimate Ears EPICBOOM, Portable Wireless Bluetooth Speaker, Big Bass and Immersive, 360-Degree Sound, Adaptive EQ, IP67 Waterproof, Floatable, 17 Hour Battery, 180 ft Range, USB C - Charcoal Black

Ultimate Ears MEGABOOM 3 Bluetooth Speaker - Powerful 360° Sound, Deep Bass, IP67 Waterproof, Dustproof, Drop-Proof, One-Touch Control - LAGOON BLUE

Ultimate Ears HYPERBOOM Portable Bluetooth Speaker - Loud Wireless Speaker With Big Bass, Water-Resistant IPX4, 150 Ft Range, 24-Hour Battery Life - White

Sony SRS-XP500 X-Series Wireless Portable-Bluetooth-Karaoke Party-Speaker IPX4 Splash-Resistant with 20 Hour-Battery, 2-way Stereo Sound, Built-in Handle and Wheels and 2x tweeter sound.

JBL Charge 5 - Portable Bluetooth Speaker with Deep Bass, IP67 Waterproof and Dustproof, 20 Hours of Playtime, in Grey